使用libjpegturbo解压jpeg，返回“空输入文件”

#include <turbojpeg.h>
#include <stdio.h>
#include <stdlib.h>

int main() {
    FILE *file = fopen("path_to_your_image.jpg", "rb");
    if (!file) {
        perror("Failed to open file");
        return 1;
    }

    fseek(file, 0, SEEK_END);
    long fileSize = ftell(file);
    fseek(file, 0, SEEK_SET);
    if (fileSize <= 0) {
        fprintf(stderr, "Empty file\n");
        fclose(file);
        return 1;
    }

    unsigned char *jpegBuffer = (unsigned char *)malloc(fileSize);
    if (!jpegBuffer) {
        perror("Failed to allocate memory");
        fclose(file);
        return 1;
    }

    fread(jpegBuffer, 1, fileSize, file);
    fclose(file);

    tjhandle tjInstance = tjInitDecompress();
    if (!tjInstance) {
        fprintf(stderr, "Failed to initialize TurboJPEG decompressor\n");
        free(jpegBuffer);
        return 1;
    }

    int width, height, subsamp;
    tjDecompressHeader3(tjInstance, jpegBuffer, fileSize, &width, &height, &subsamp);

    unsigned char *rgbBuffer = (unsigned char *)malloc(width * height * 3);
    if (!rgbBuffer) {
        perror("Failed to allocate memory");
        tjDestroy(tjInstance);
        free(jpegBuffer);
        return 1;
    }

    tjDecompress2(tjInstance, jpegBuffer, fileSize, rgbBuffer, width, 0, height, TJPF_RGB, 0);

    // Process the RGB buffer as needed...

    tjDestroy(tjInstance);
    free(jpegBuffer);
    free(rgbBuffer);

    return 0;
}